pROCESI DELA V ARHIVU DRU

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pROCESI DELA V ARHIVU DRUŽBOSLOVNIH PODATKOV
SODELOVANJE S STATISTICNIM URADOM RS IN
PARTNERSTVO PRI PROJEKTU DWB

• Irena Vipavc Brvar in Sebastian Kocar
• Arhiv družboslovnih podatkov
• Fakulteta za družbene vede, Univerza v Ljubljani
• 19. marec 2013

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• PREGLED PREDSTAVLJENIH VSEBIN

• 1.) Povzetek sodelovanja ADP SURS
• 2.) Hramba podatkov v Arhivu družboslovnih
  podatkov
• 3.) ADP metapodatki (DDI standard) in Nesstar
• 4.) Projekt DwB in dostop do mikropodatkov uradne
  statistike
• 5.) Predstavitev opravljenega dela pri
  sodelovanju ADP SURS
• 6.) Splošna diskusija

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Povzetek sodelovanja ADP SURS
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• ZGODOVINA SODELOVANJA ADP - SURS

• distribucija anonimiziranih mikropodatkov in
  pripravljenih metapodatkov na spletni strani ADP
• Anketa o delovni sili, Anketa o porabi v
  gospodinjstvih, Anketa o žrtvah kriminala, Anketa
  o porabi casa, Popis 2002 (vzorec)
• manj intenzivno sodelovanje v obdobju 2002-2011
• partnerstvo obeh organizacij pri mednarodnem
  projektu DwB

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• DATA WITHOUT BOUNDARIES (PODATKI BREZ MEJA)

• mednarodni (Evropska komisija FP7) projekt, 29
  partnerjev statisticni uradi, arhivi,
  raziskovalni centri, univerze
• povecano zanimanje raziskovalcev za mikropodatke
  uradne statistike, ki so premalo rabljeni v
  raziskovalne namene (znanstvene/akademske) cilj
  projekta je omogociti lažji dostop in
  kakovostnejše delo raziskovalcev s podatki uradne
  statistike
• portal z vsemi potrebnimi informacijami za
  raziskovalce

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• POMEN IN CILJI SODELOVANJA ADP - SURS

• izboljšati stanje na podrocju dostopa
  raziskovalcev do podatkov uradne statistike v
  Sloveniji
• skupaj promovirati in povecati rabo podatkov
  uradne statistike v znanstvene in akademske
  namene
• lažje doseci cilje projekta DwB, bolj kakovostno
  opraviti delo na svojih delovnih paketih
• doprinos na podrocjih, za katere sta
  organizaciji specializirani

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• PODROCJA SODELOVANJA ADP SURS

• priprava mikropodatkov, namenjenih takojšnjim
  statisticnim analizam varni sobi in preko dostopa
  z daljave (distribucija SURS)
• crpanje metapodatkov iz metapodatkovnih sistemov
  SURS-a
• priprava strukturiranih metapodatkov (standard
  DDI)
• priprava anonimiziranih mikropodatkov za manj
  zahtevne uporabnike (distribucija ADP)
• promocija rabe mikropodatkov uradne statistike v
  raziskovalne namene

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• PRIPRAVA NEZAŠCITENIH MIKROPODATKOV

• priprava poteka v varni sobi
• uporablja se programski paket SPSS
• dodajanje label iz vprašalnika, dolocanje
  manjkajocih vrednosti, logicna kontrola, brisanje
  odvecnih spremenljivk, povezava podatkovne baze
  in šifrantov
• možnost izvoza podatkov v razlicne formate, ki
  jih berejo razlicni statisticni programi

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• CRPANJE METAPODATKOV IZ METOPODATKOVNIH
• VIROV SURSA

• opravljena je bila analiza stanja na podrocju
  metapodatkov
• ugotovili smo, da so vsebine hranjene v
  razlicnih bazah, aplikacijah in dokumentih in jih
  brez osebnega napora vecje skupine ljudi ni
  mogoce neposredno združiti v dokument opisa
  raziskave
• crpanje metapodatkov je mogoce iz LPSR-jev,
  standardnih porocil, metodoloških pojasnil,
  porocil Eurostatu, Eurostatovih dokumentov

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• PRIPRAVA STRUKTURIRANIH METAPODATKOV

• uporabljen je standard DDI
• pripravi se opis raziskave, razdeljen na
  podrocja, kot so vsebina raziskave, metodologija,
  opis datotek, opis podatkov
• pripravi se vsa za raziskovalca potrebna
  dokumentacija, kot so šifranti, vprašalniki,
  publikacije, datoteke za cišcenje podatkovne
  datoteke
• metadokumentacija se crpa iz SURS in EUROSTAT
  porocil (spletne strani) ter preko sodelovanja s
  SURS oddelki

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• PRIKAZ STRUKTURIRANIH METAPODATKOV ADP, SPLET

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• PRIKAZ STRUKTURIRANIH METAPODATKOV ADP, NESSTAR

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• PRIKAZ STRUKTURIRANIH METAPODATKOV SURS, OPISI

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• PRIPRAVA ANONIMIZIRANIH VERZIJ MIKROPODATKOV

• anonimizacija originalne podatkovne datoteke
• izbor podvzorca, najnižje tveganje za razpoznavo
  respondenta, ohranitev vzorcnih statistik
  kljucnih spremenljivk, ohranitev vzorcne
  strukture vzorca na podvzorcu
• uporabljena programska paketa SPSS in R!,
  najnovejše metode za zašcito podatkov
• sodelovanje s Sektorjem za splošno metodologijo
  in standarde
• datoteka bo distribuirana na spletni strani ADP,
  namenjena širšemu krogu manj zahtevnih
  uporabnikov

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• PROMOCIJA RABE MIKROPODATKOV IN PROMOCIJA
  SODELOVANJA

• nacionalne konference (Informacijska družba
  2012, Statisticni dnevi 2012, Sociološko
  srecanje)
• mednarodne konference (DwB regionalna
  konferenca, IASSIST 2013, ESRA 2013)
• spletni strani ADP, FDV
• spletna stran SURS (po posodobitvi)
• obvestilni seznam, sprotno obvešcanje
  raziskovalcev preko elektronske pošte
• promocija v sklopu projekta DwB

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• REZULTATI SODELOVANJA IN SODELOVANJE V PRIHODNOSTI

• pripravljeni in distribuirani mikropodatki ter
  metapodatki za serijo raziskav Anketa o delovni
  sili (2001-2011)
• sledi priprava podatkov za razvoj
  mikrosimulacijskega modela, Popisa 2011 ter,
  kasneje, drugih raziskovanj
• spoznavanje postopkov za ucinkovito delo,
  poglobljeno sodelovanje z oddelki, razvoj
  postopkov dela, ucenje
• sodelovanje z drugimi oddelki relativno majhen
  input zaposlenih za velik output (korist
  raziskovalcem)
• kontinuirana priprava mikropodatkov in
  metapodatkov ob podpori ADP-ja

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Hramba podatkov v Arhivu družboslovnih podatkov
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Evaluation

• Self evaluation study in 2011

• Metadata standards
• Local file system for storing weekly backups.
• No user and version control.
• Using several applications.
• Need to automate capture of materials (SIP).
• Need to use permanent identifiers.
• -Good practice in partners institutions (UKDA,
  ICSPR).
• -Up to date technology support / new application
  should be tailor maid to address current
  challenges / issues/ gaps.

Need for new policy
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MANAGEMENT

• JIRA

• used for bug tracking, issue tracking,
• and PROJECT MANAGEMENT

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Evaluation

• DEVELOPMENT

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Application

• APPLICATION

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URN

• URN (UNIFORM RESOURCE NAME)

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ADP metapodatki (DDI standard) in Nesstar
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Metapodatki
Metapodatki

• Metapodatke lahko definiramo kot vse informacije
  potrebne za obvešcanje in procesiranje
  statisticnih struktur. (Grossmann v Vipavc in
  Klep, 2003).
• Pri kakovostnem oblikovanju metapodatkovnih
  standardov imajo velik pomen uporabniki
  informacij.
• ? razvoj standardov (DDI)
• ? Mednarodna izmenjava opisov raziskav (zapis v
  XML)
• ? Možnost analize podatkov

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Metapodatki
Kaj hraniti

• - podatke,
• - spremljajoco dokumentacijo,
• - informacije o vzorcenju,... podatke, ki se
  lahko zgubijo.
• Spremljajoca dokumentacija naj vsebuje
  informacije kot izvor podatkov kaj je bil
  osnovni namen zbiranja kdo so bili avtorji in
  narocniki oz. sponzorji kako so bili podatki
  zbrani kakšni so pravni pogoji uporabe podatkov
  opis spremenljivk kako so bili podatki združeni
  kodirna shema v kakšnem formatu je hranjena
  racunalniško berljiva podatkovna datoteka na
  katerem mediju je hranjena.......

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Opis raziskave
Standard DDI 2.0

• Standard na katerem temelji priprava vsebin za
  ADP je XML DDI (The Data Documentation
  Initiative).
• Po tem standardu je kodirna knjiga sestavljena
  iz
• Opis dokumenta (Document Description)
• Opis raziskave (Study Description)
• - Naslov, avtor, izdelava in distribucija
• - Vsebina raziskave
• - Metodologija
• - Dostop do podatkov
• Opis podatkov (Data Files Description)
• Opis spremenljivk (Variable Description)
• Ostali dokumenti (Other Documentation)

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Opis raziskave
Standard DDI 2.1 in njegova uporaba
Celotna DDI shema
ADP uporabljena shema
DwB WP5 uporabljena shema
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Opis raziskave
Standard DDI 2.1 opis podatkovne datoteke in
metapodatki SURS-a
ADP uporabljena file description polja
ltfileDscr URI"../podatki/ads/ads11_p1_sl_v1_r1.t
xt" ID"ADS11_P1_SL_V1_R1"gtltfileTxtgtltfileName
xmllang"sl-SI" ID"F1"gtADS11 - Anketa o delovni
sili, 2011 datlt/fileNamegtltdimensnsgtltcaseQnty
gt61888lt/caseQntygtltvarQntygt214lt/varQntygtlt/dimensn
sgtltfileType xmllang"sl-SI"gtf1lt/fileTypegtltfil
ePlacgtSURSlt/filePlacgtltdataChckgtPodatkovna
datoteka, na kateri je Statisticni urad Republike
Slovenije že izvedel logicno kontrolo.lt/dataChckgt
ltsoftwaregtSASlt/softwaregtltverStmtgtltversion
date"2012-08-29"gtavg 2012lt/versiongtltverRespgtS
URSlt/verRespgtltnotesgtOriginalna ASCII delimited
datoteka.lt/notesgtlt/verStmtgtlt/fileTxtgtlt/fileDscr
gt
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Opis raziskave
Standard DDI 2.1 opis podatkovne datoteke in
metapodatki SURS-a
Dodatno uporabljena polja pri pripravi
dokumentacije?
lttitl xmllang"en-GB"gttilt/titlgt ltAuthEnty
affiliation"SORS"gtAuthEnlt/AuthEntygt
ltproducer abbr"ADP" affiliation"ULJ"
xmllang"en-GB"gtADPlt/producergt ltprodDate
date"datizd" xmllang"en-GB"gtdatbeslt/prodDat
egt ltprodPlac xmllang"en-GB"gtLjubljana,
silt/prodPlacgt ltverRespgtresponsi, ADP
Irena Svetin, SORS Lenart Milan Lah, SORS Katja
Rutar, SORS Andreja Smukaveclt/verRespgt ltnotes
xmllang"en-GB"gtSebastian Kocar prepared the
study description with a help by SORS employees,
.lt/notesgt ltkeyword xmllang"en-GB"gthousehold
structurelt/keywordgt ltabstract
source"archive" xmllang"en-GB"gtSlovenian
Labour Force Survey 2010 was conducted...lt/abstrac
tgt lttimePrd event"start" date"2011"gt2011lt/t
imePrdgt ltcollDate event"start"
date"2010-01-04" xmllang"en-GB"gt2010-01-04lt/col
lDategt ltgeogCovergtsilt/geogCovergt
ltanlyUnitgtposlt/anlyUnitgt ltuniverse
clusion"I" xmllang"en-GB"gtThe target
population is the jure population,...lt/universegt
ltdataCollector abbr"SORS" affiliation"Governm
ent of the Republic of Slovenia"
xmllang"en-GB"gtSURSlt/dataCollectorgt
ltsampProc xmllang"en-GB"gtThe labour force
survey is based on the sample taken...lt/sampProcgt
ltcollMode xmllang"en-GB"gtcolP. Only when
surveying a household for the first
time.lt/collModegt ltresInstru xmllang"en-GB"gtr
ilt/resInstrugt ltcollSitugtThe interviewing is
held by the experienced interviewers under
...lt/collSitugt ltactMingtProxy interviewing is
allowed to achieve high response rate,
...lt/actMingt ltweight xmllang"en-GB"gtThe data
are weighted for unequal probability ...lt/weightgt
ltcleanOps xmllang"en-GB"gtThe data were
cleaned for ...lt/cleanOpsgt ltrespRate
xmllang"en-GB"gt79,7 - response rate of
households.lt/respRategt ltdataDscrgt
ltvargtv1_8lt/vargt ltlablgtSpollt/lablgt ltvarGrp
ID"VG1F1" type"subject" var"V1 V2 V3 V4 V11
V12 V13 V14 V15 V176 V178 V183"gt
ltlablgtDemography (household)lt/lablgt
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Procesi dela v Arhivu družboslovnih podatkov
sodelovanje s Statisticnim uradom RS in
partnerstvo pri projektu DwB
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Iskanje podatkov po serijah
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Iskanje podatkov po serijah
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Iskanje podatkov po serijah
Opis spremenljivk
Opis raziskave
Opis podatkov
Ostali dokumenti
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Iskanje podatkov po serijah
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Iskanje podatkov po serijah
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Iskanje podatkov po serijah
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Iskanje podatkov po serijah
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Iskanje podatkov po serijah
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Iskanje podatkov po serijah
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Opis raziskave

• NESSTAR je
• virtualna podatkovna knjižnica, ki omogoca
  iskanje, lociranje, pregledovanje in snemanje
  mnogo raznovrstnih statisticnih in drugih
  podatkov in metapodatkov.

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Opis raziskave
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Opis raziskave
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Opis raziskave
Preprosta analiza podatkov z Nesstarjem primer
SJM
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Opis raziskave
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Opis raziskave
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Opis raziskave

• Za analizo podatkov potrebujemo uporabniško ime
  in geslo za NESSTAR.
• IZPOLNIM NAROCILO

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registracija
3
2
1
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registracija
Pri uporabniškem imenu namesto "_at_" vpišete "AT
Geslo je veljavno do konca tekocega študijskega
leta
!
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Opis raziskave
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Opis raziskave
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Opis raziskave
Rezultate dvo dimenzionalnih tabel (predvsem,
kadar se število enot med skupinami razlikuje)
prikazujemo v odstotkih po neodvisni
spremenljivki. Obicaj je, da se neodvisna
spremenljivka (npr. spol) prikazuje v stolpcu,
odvisna pa v vrstici.
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Opis raziskave
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Opis raziskave
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Iskanje
Iskanje spremenljivke
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Iskanje
Okno za napredno iskanje
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Iskanje
Rezultat iskanja besede ZRTEV
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Projekt DwB in dostop do mikropodatkov uradne
statistike
The DwB Project, a Short Overview
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Toward a European Research Infrastructure
The DwB Project, a Short Overview
Introduction
Project Focus and Mechanism

• A four-year EU-funded FP7-13 project (2011-2015)
• Aims
• Linking the capacity of the research community
  with the important resources of the official
  micro data in Europe
• Enhancing researchers access to official micro
  data in Europe
• Surveys and administrative datasets, combined
  files
• Focus on confidential (highly detailed) data
• Focus on crossing national boundaries
• Mechanism Coordination of existing
  infrastructures
• CESSDA Data Archives, and the ESS (NSIs
  coordinated by Eurostat, ECB)
• Based on volunteers

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Partners
The DwB Project, a Short Overview
Introduction
Partnership

• 29 partners
• 1/3 CESSDA Archives CNRS/RQ, GESIS, NSD, SND,
  FSD, DANS, UKDA, FORS, EKKE, CIS, RODA
• 1/3 NSIs and Statistical departments ONS, CBS,
  INSEE/GENES, SORS, IAB, SCB, DESTATIS, CSIC,
  CNPS-INS
• 1/3 Universities URV, UL, UPC, ULL, SOTON,
  UoMan, CED (IPUMS)
• MT (SME)

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From Current Situation
The DwB Project, a Short Overview
Context

• Access to official statistics both anonymized and
  highly detailed is still uneven in Europe, both
  at national and at European levels
• Access to Eurostat highly anonymized datasets is
  still burdensome
• Increasing level of anonymization does not meet
  the researchers needs
• Though crucial for comparative Research, crossing
  borders is even worse
• different legal frameworks, institutional
  arrangements and criteria for accreditation,
• different providers (NSIs, Archives),
• different modes of access (no access, safe
  centres, remote execution, remote access),
• different languages,
• different views about security, anonymization,
  output checking

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To DwB Project Main Issues
The DwB Project, a Short Overview
Context

• Building a central point of access what are the
  available data? How can they be accessed?
• Metadata standards and interoperability NSIs
  tend to use SDMX as a standard for metadata
  exchange, CESSDA Archives use DDI as a standard
  for documentation
• Legal issues and accreditation towards a
  European accreditation
• Servicing the use of OS data provide tools
  (format, routines for harmonization), train the
  researchers for using European micro data
• Technical, standardization and methodological
  issues in developing a European distributed
  remote access both for national and for European
  micro data, flexible to national institutional
  arrangements (NSI or data archives as provider)
  propose and implement a test case

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New Conditions to Build
The DwB Project, a Short Overview
New Conditions to Build

• At national level
• Strong cooperation between Data Archives and NSIs
  in some countries
• Changes in the legal framework in several
  countries
• Increasing numbers of RDCs providing in site
  access, remote execution or remote access
• Some RDCs providing access to foreign researchers
• At European level
• The ESFRI roadmap and the CESSDA ERIC process
• Projects and initiatives within the framework of
  the European Statistical System (ESSnet, WGSC )
• Discussions about a new EC Regulation on European
  micro data access for researchers expected about
  2012/2013

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Three Blocks, Twelve Work Packages
The DwB Project, a Short Overview
Project Architecture

• Block 1 Access Facilities (WP3, WP4, WP9, WP10
  and WP11)
• Block 2 Front Office (WP5, WP7, WP8 and WP12)
• Block 3 Enlarging Cooperation (WP6)
• WP1 (Project Management)
• WP2 (Internal External Communication)

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Block 1 Access
The DwB Project, a Short Overview
Project Architecture
Block 1

• Legal issues and accreditation examine current
  national situation, agree on best practices
  common standards, test an accreditation pilot and
  suggest changes in the legal framework (WP3)
• Technical issues in developing RA and SDC
  procedures discuss and agree on security
  standards, architecture for a distributed remote
  access (WP3 and WP4)
• Methodological issues anonymization and output
  checking (WP11)
• Implement a case study for a distributed European
  remote access (WP4) building on current
  possibilities for national micro-data conditional
  to a change in 2012 on new possibilities for
  Eurostat micro-data
• Immediately offer transnational access through
  open calls for researchers to access data either
  on site or remotely (WP9 and WP10)

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WP3 Tasks
The DwB Project, a Short Overview
Project Architecture
WP5

• Task 1
• To devise and promulgate a fit for purpose
  standard for researcher accreditation for the use
  of official data that NSIs (and archives) will
  find credible and addresses cross border issues.
  To achieve a widely-recognised standard for
  accreditation which will reduce administration
  and costs, improve efficiency and improve
  confidence in custodians of official data when
  providing access - thus helping to remove
  barriers for research use of official data.
• Task 2
• To conduct an audit and describe the legal
  frameworks for research access to official data
  in the European Research Area. To present the
  results in a useable form as a contribution to
  effective policy planning and legal changes where
  opportunities arise. To act as a definitive guide
  for all interested parties on the legal
  frameworks and accreditation processes for access
  to data across the ERA.

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WP3 Tasks
The DwB Project, a Short Overview
Project Architecture
WP5

• Task 3
• To identify the challenges and solutions for
  building and operating a Remote Access facility
  in compliance with internationally recognised
  Information Security standards.
• To analyse a set of alternative suitable
  organisational architectures for a sustainable
  co-operational model for linking data centres,
  and to propose a suitable organisational
  architecture as a credible working model and if
  possible a proved concept.

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Block 2 Front Office
The DwB Project, a Short Overview
Project Architecture
Block 2

• Provide a single point of access within the
  context of the CESSDA portal and the current
  CESSDA ERIC process (WP12)
• Discuss standards (SDMX and DDI) and develop
  tools to harmonize metadata (WP7)
• Devise techniques to harvest NSI metadata by
  CESSDA (WP8)
• Service the use of the OS micro data Improve
  metadata (including translations issues), formats
  and provide routines for OS and Eurostat micro
  data (WP5)

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WP5 Tasks
The DwB Project, a Short Overview
Project Architecture
WP5

• Task 1
• Set up the framework for a permanent virtual
  service centre for OS microdata. This virtual
  centre will consist of different components such
  as user group, blog, email list.
• Task 2
• Collect, structure and code information on
  available microdata from official statistics at
  the national level for each country in Europe.
• Task 3
• Collect, structure and code information on
  integrated European microdata from official
  statistics held by Eurostat and national
  censuses.
• Task 4
• Write routines, i.e. syntax for statistical
  analysis software, to read raw data from
  Eurostats scientific use files into several
  statistical programs.

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WP5 Work
The DwB Project, a Short Overview
Project Architecture
WP5
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WP5 Work
The DwB Project, a Short Overview
Project Architecture
WP5
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WP5 Work
The DwB Project, a Short Overview
Project Architecture
WP5
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WP5 Work
The DwB Project, a Short Overview
Project Architecture
WP5
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Block 3 Enlarging Cooperation
The DwB Project, a Short Overview
Project Architecture
Block 3

• All WPs work in cooperation and aim at
  identifying best practices, agreeing on standards
  and building on volunteers while bridging the
  different communities (NSIs, Archives,
  Researchers)
• Yet the long term success requires involving the
  whole ESS, the whole CESSDA , and the researchers
  who are the final users , also making bridges
  with non European partners (WP6)
• European Data Access Forum and regional workshops
  on data access
• Users conferences
• Training activities
• Staff visits in RDCs where remote access
  solutions exist

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To Summarize
The DwB Project, a Short Overview
Conclusions

• A challenging project
• Need to build trust and common understanding
  between NSIs, Archives and Research Communities
• Need to agree on standards, provide a model and
  implement a pilot
• Need to enlarge cooperation and strong
  coordination with other initiatives ongoing
  discussions
• A crucial step toward a European research
  infrastructure within the context of the CESSDA
  ERIC
• Building a single point of entry,
• Paving the way for a European accreditation,
• Enhancing access to anonymized official data,
• Providing a flexible infrastructure for accessing
  confidential data

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Some Major Steps in 2013-2014
The DwB Project, a Short Overview
Future Events 2013-2014

• Continuous calls for transnational access to
  highly detailed microdata
• France, Germany, Netherlands, UKDA RDCs
• Give support to comparative research projects
  that required transnational access
• A business case for a European accreditation and
  a distributed remote access
• Staff Visits in RDCs providing remote access to
  confidential OS microdata
• Directed to NSIs and data archives that have not
  implemented any RDC yet and RDCs interested in
  shifting to or implementing a RA solution.
• More info http//dwbproject.org/events/visits.htm
  l
• 21 22 March 2013 Users Conference 2013
  (Mannheim, Germany)
• Working with European Labour Force Survey
  (EU-LFS) and European Union Statistics on Income
  Living Conditions (EU-SILC)
• More info http//www.gesis.org/en/events/conferen
  ces/european-user-conference-3/ or
  http//www.dwbproject.org/events/users_conf1.html
  
• 24 25 April 2013 Regional Workshop in Eastern
  Europe (Slovenia)
• To foster and/or trigger cooperation between
  NSIs, data archives, researchers and other
  stakeholders in 15 countries of this region
• More info http//dwbproject.org/events/regional_w
  orkshop1.html

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Predstavitev opravljenega dela pri sodelovanju
ADP SURS
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• PREGLED PRIPRAVLJENIH MATERIALOV IN PROCES DELA

• 1.) Priprava mikropodatkov za distribucijo v
  varni sobi
• 2.) Priprava metapodatkov s pomocjo SURS in
  EUROSTAT metadokumentacije
• 3.) Pregledovalnik mikro- in metapodatkov
• 4.) Priprava anonimizirane mikropodatkovne
  datoteke
• 5.) Oblikovanje spletnih podstrani ADP,
  namenjenih partnerstvu DwB in sodelovanju ADP SURS

78

• Priprava mikropodatkov za distribucijo v varni
  sobi

79

• Priprava metapodatkov s pomocjo SURS in EUROSTAT
  metadokumentacije

80

• Pregledovalnik mikro- in metapodatkov

81
Hvala za pozornost!Sedaj lahko nadaljujemo z
diskusijo 

• Irena Vipavc Brvar, Sebastian Kocar
• Arhiv družboslovnih podatkov
• Fakulteta za družbene vede, Univerza v Ljubljani